hi , in my router setup the l2tp server after transfer to new location and changing the my IP when client try to connect to the server connection lost and in log file in server see this error phase1 negotiation failed due to time up “IP” [500]<=>2.176.118.58[500] 71cf8767700e9e7b:2afb05ccbd85c1b0 can help me to fix this error ?